Science and Technology
Charles Babbage. Wikimedia Commons (Public Domain)
Pythagoras. Wikimedia Commons (Galilea, GFDL)
- Agriculture: Biographies
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- Biology: Biographies
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- Cell Biology: Biographies
- Chemistry: Biographies
- Civil Engineering: Biographies
- Computers and Computing, Biographies
- Electrical Engineering: Biographies
- Environmental Studies: Biographies
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- Mathematics: Biographies
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- Paleontology: Biographies
- Physics: Biographies
- Space Exploration: Biographies
- Technology: Biographies
- Weather and Climate: Biographies
- Zoology: Biographies